Kids are born curious about the world. What adults primarily do in the presence of kids is unwittingly thwart the curiosity of children.

If factual information upsets you, then you are creating a world that is not embracing objective truths, and that's not how you advance a democracy.

I have yet to see a successful prediction about the physical world that was inferred or extrapolated from the content of any religions document.

This fear factor, this war driver is a very strong one and it's been with the species ever since the beginning and it motivated the Great Wall of China. War can be aggressive or defensive, right? So it motivated the Great Wall of China. Our space program was reactive to Russia.

Ignorance is a virus. Once it starts spreading it can only be cured by reason. For the sake of humanity, we must be that cure.

They [scientists of centuries past] call on God only from the lonely and precarious edge of incomprehension. Where they feel certain about their explanations, however, God gets hardly a mention.

The greatest explorer of recent decades is not even human.